FR2739469B1 - Procede de cryptographie a cle publique base sur le logarithme discret - Google Patents

Procede de cryptographie a cle publique base sur le logarithme discret

Info

Publication number
FR2739469B1
FR2739469B1 FR9511622A FR9511622A FR2739469B1 FR 2739469 B1 FR2739469 B1 FR 2739469B1 FR 9511622 A FR9511622 A FR 9511622A FR 9511622 A FR9511622 A FR 9511622A FR 2739469 B1 FR2739469 B1 FR 2739469B1
Authority
FR
France
Prior art keywords
public key
key cryptography
discrete logarithm
cryptography based
logarithm
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR9511622A
Other languages
English (en)
Other versions
FR2739469A1 (fr
Inventor
Raihi David M
David Naccache
Jacques Stern
Serge Vaudenay
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gemplus SA
Original Assignee
Gemplus Card International SA
Gemplus SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to FR9511622A priority Critical patent/FR2739469B1/fr
Application filed by Gemplus Card International SA, Gemplus SA filed Critical Gemplus Card International SA
Priority to DE69636772T priority patent/DE69636772T2/de
Priority to ES96933484T priority patent/ES2279525T3/es
Priority to EP96933484A priority patent/EP0795241B1/fr
Priority to US08/860,832 priority patent/US5946397A/en
Priority to JP9514034A priority patent/JPH10500502A/ja
Priority to PCT/FR1996/001546 priority patent/WO1997013342A1/fr
Publication of FR2739469A1 publication Critical patent/FR2739469A1/fr
Application granted granted Critical
Publication of FR2739469B1 publication Critical patent/FR2739469B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • H04L9/3006—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy underlying computational problems or public-key parameters
    • H04L9/3013—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy underlying computational problems or public-key parameters involving the discrete logarithm problem, e.g. ElGamal or Diffie-Hellman systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Storage Device Security (AREA)
  • Complex Calculations (AREA)
FR9511622A 1995-10-03 1995-10-03 Procede de cryptographie a cle publique base sur le logarithme discret Expired - Fee Related FR2739469B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR9511622A FR2739469B1 (fr) 1995-10-03 1995-10-03 Procede de cryptographie a cle publique base sur le logarithme discret
ES96933484T ES2279525T3 (es) 1995-10-03 1996-10-03 Procedimiento de criptografia de clave publica basado en el logaritmo discreto.
EP96933484A EP0795241B1 (fr) 1995-10-03 1996-10-03 Procede de cryptographie a cle publique base sur le logarithme discret
US08/860,832 US5946397A (en) 1995-10-03 1996-10-03 Method of cryptography with public key based on the discrete logarithm
DE69636772T DE69636772T2 (de) 1995-10-03 1996-10-03 Auf dem diskreten logarithmus basierendes verschlüsselungsverfahren mit öffentlichem schlüssel
JP9514034A JPH10500502A (ja) 1995-10-03 1996-10-03 離散対数をベースとした公開キーによる暗号化方法
PCT/FR1996/001546 WO1997013342A1 (fr) 1995-10-03 1996-10-03 Procede de cryptographie a cle publique base sur le logarithme discret

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9511622A FR2739469B1 (fr) 1995-10-03 1995-10-03 Procede de cryptographie a cle publique base sur le logarithme discret

Publications (2)

Publication Number Publication Date
FR2739469A1 FR2739469A1 (fr) 1997-04-04
FR2739469B1 true FR2739469B1 (fr) 1997-12-26

Family

ID=9483191

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9511622A Expired - Fee Related FR2739469B1 (fr) 1995-10-03 1995-10-03 Procede de cryptographie a cle publique base sur le logarithme discret

Country Status (7)

Country Link
US (1) US5946397A (fr)
EP (1) EP0795241B1 (fr)
JP (1) JPH10500502A (fr)
DE (1) DE69636772T2 (fr)
ES (1) ES2279525T3 (fr)
FR (1) FR2739469B1 (fr)
WO (1) WO1997013342A1 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7587044B2 (en) 1998-01-02 2009-09-08 Cryptography Research, Inc. Differential power analysis method and apparatus
US6240512B1 (en) * 1998-04-30 2001-05-29 International Business Machines Corporation Single sign-on (SSO) mechanism having master key synchronization
DE19820605A1 (de) * 1998-05-08 1999-11-11 Giesecke & Devrient Gmbh Verfahren zur sicheren Verteilung von Software
CA2333095C (fr) * 1998-06-03 2005-05-10 Cryptography Research, Inc. Perfectionnement de normes cryptographiques et autres procedes cryptographiques a reduction des fuites pour cartes a puces et autres systemes cryptographiques
CA2334597C (fr) 1998-07-02 2007-09-04 Cryptography Research, Inc. Mise a jour a cle de chiffrage indexee a resistance de fuite
US6332193B1 (en) * 1999-01-18 2001-12-18 Sensar, Inc. Method and apparatus for securely transmitting and authenticating biometric data over a network
FR2793571B1 (fr) * 1999-05-11 2003-10-31 Gemplus Card Int Procede de contre-mesure dans un composant electronique mettant en oeuvre un algorithme de cryptographie a cle secrete et dynamique
FR2842052B1 (fr) * 2002-07-05 2004-09-24 France Telecom Procede et dispositifs cryptographiques permettant d'alleger les calculs au cours de transactions
US7194628B1 (en) 2002-10-28 2007-03-20 Mobile-Mind, Inc. Methods and systems for group authentication using the naccache-stern cryptosystem in accordance with a prescribed rule
CN100431294C (zh) * 2002-11-05 2008-11-05 管海明 基于亚群上离散对数问题的密钥分配及加解密协议的方法
US20030177051A1 (en) * 2003-03-13 2003-09-18 Robin Driscoll Method and system for managing worker resources
WO2007020564A2 (fr) * 2005-08-19 2007-02-22 Nxp B.V. Montage de circuit et procede pour l'application d'une operation, en particulier d'un calcul cryptographique
US8682795B2 (en) * 2005-09-16 2014-03-25 Oracle International Corporation Trusted information exchange based on trust agreements
US8230487B2 (en) 2005-12-21 2012-07-24 International Business Machines Corporation Method and system for controlling access to a secondary system
US10341098B2 (en) 2017-01-24 2019-07-02 Nxp B.V. Method of generating cryptographic key pairs

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2606419B2 (ja) * 1989-08-07 1997-05-07 松下電器産業株式会社 暗号通信システムと暗号通信方法
US5297206A (en) * 1992-03-19 1994-03-22 Orton Glenn A Cryptographic method for communication and electronic signatures
US5313521A (en) * 1992-04-15 1994-05-17 Fujitsu Limited Key distribution protocol for file transfer in the local area network
NL9301348A (nl) * 1993-08-02 1995-03-01 Stefanus Alfonsus Brands Elektronisch betalingssysteem.
US5604805A (en) * 1994-02-28 1997-02-18 Brands; Stefanus A. Privacy-protected transfer of electronic information
US5724425A (en) * 1994-06-10 1998-03-03 Sun Microsystems, Inc. Method and apparatus for enhancing software security and distributing software

Also Published As

Publication number Publication date
EP0795241A1 (fr) 1997-09-17
DE69636772D1 (de) 2007-02-01
WO1997013342A1 (fr) 1997-04-10
JPH10500502A (ja) 1998-01-13
US5946397A (en) 1999-08-31
EP0795241B1 (fr) 2006-12-20
DE69636772T2 (de) 2007-07-12
ES2279525T3 (es) 2007-08-16
FR2739469A1 (fr) 1997-04-04

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Legal Events

Date Code Title Description
CD Change of name or company name
TP Transmission of property
ST Notification of lapse

Effective date: 20110630